Algebra Basics
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Questions and Answers

What is the primary concept introduced in this sub-module of algebra?

  • Simultaneous equations
  • Algebraic fractions
  • Quadratic equations
  • Basic concepts of algebra (correct)

    • What is the primary difference between arithmetic and algebra?

  • Arithmetic uses only letters
  • Arithmetic uses only formulas
  • Algebra uses letters or symbols to represent numbers (correct)
  • Algebra uses only numbers

    • What is the purpose of substituting known number values into formulas and equations in algebra?

  • To find unknown values (correct)
  • To prove the equation
  • To simplify the equation
  • To eliminate the variable

    • What is a variable in algebra?

    <p>A value or number that is not yet known</p> Signup and view all the answers

    What is the formula that represents the relationship between displacement, velocity, and time?

    <p>s = v × t</p> Signup and view all the answers

    What remains unchanged in a formula or equation in algebra?

    <p>The relationship between the variables</p> Signup and view all the answers

    What is the purpose of algebraic equations in this sub-module?

    <p>To explore methods of finding solutions to linear and quadratic equations</p> Signup and view all the answers

    What is the letter commonly used to represent displacement in algebra?

    <p>s</p> Signup and view all the answers

    What is the term for a number that appears on its own in an algebraic expression?

    <p>Constant</p> Signup and view all the answers

    What is the result of the calculation s = v × t when the velocity is 220 km/h and the time is 2 hours?

    <p>440 km</p> Signup and view all the answers

    What is the term for a letter, number, or combination of letters and numbers that is used in an algebraic expression?

    <p>Term</p> Signup and view all the answers

    What is the rule when two letters or a letter and a number are written next to each other without a space?

    <p>It is the same as multiplication</p> Signup and view all the answers

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